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Company No. 05709010 · Incorporated 14 Feb 2006

Thames Reinforcements Limited

Registered name: THAMES REINFORCEMENTS LIMITED

Part of JRL Group Holdings Limited group

Thames Reinforcements Limited made £65.5m revenue and £693k profit in the year to 30 Apr 2025.

Thames Reinforcements Limited’s revenue was £65.5m in the year to 30 Apr 2025, with £693k profit and 133 employees. The company is classified under “other specialised construction activities” and is based in Borehamwood; we hold 3 years of its filed accounts.

Full P&L filedSection F · ConstructionSIC 43999Other specialised construction activities n.e.c.
Status
Active
Location
Borehamwood, East of England
Age
20 yrs · since 2006
Type
Private Limited Company

Part of a group. The filing indicates this company sits within a group structure, so its results may depend on intra-group trading and it may be hard to replicate independently. From the filing: “JRL Group Holdings Limited”

Latest accounts · year to 30 Apr 2025

Key figures

Capital-lightBoring industry
Revenue
£65.5m
Growth —
Profit
£693k
Growth —
Profit margin
1.1%
Gross 14.1%
Employees
133
Change —
Profit / employee
£5.2k
Revenue/employee £492k
Profitable streak
3yrs
Consecutive profitable years in our data

Badges are automated estimates derived from the filed figures — not statements of fact about the company.

3 filed years

Financial history

Multi-year financials, oldest to newest
Year to31 Dec 202231 Dec 202330 Apr 2025
DisclosureFull P&LFull P&LFull P&L
Profit & loss
Revenue (turnover)£98.7m£83.7m£65.5m
Cost of sales£84.9m£65.5m£56.2m
Gross profit£13.7m£18.2m£9.2m
Operating profit£8.7m£12.5m£1.4m
Profit before tax£8.6m£12m£932k
Profit after tax£6.9m£9.1m£693k
Profit (best available)£6.9m£9.1m£693k
Staff costs£6m£6.2m£7.3m
Employees (average)151154133
Ratios
Profit margin7%10.9%1.1%
Gross margin13.9%21.8%14.1%
Revenue per employee£653k£544k£492k
Profit per employee£46k£59.3k£5.2k
Growth (year on year)
Revenue growth—▼15.1%—
Profit growth—▲31.5%—
Headcount growth—▲2%—
Balance sheet — indirect signals, not revenue
Cash at bank£10.6m£8.5m£10.4m
Net assets£19.9m£29m£29.7m
Fixed assets£653k£689k£596k
Current assets£53m£56.4m£46.2m
Debtors£10.6m£6.1m£6.7m
Deferred income£606k£192k£691k
SourceFullAccounts · bulk data Dec 2024FullAccounts · bulk data Dec 2024FullAccounts · bulk data Jan 2026
Derived from the latest filing

How the business works

Profit margin
1.1%
Profit ÷ revenue.
Gross margin
14.1%
Gross profit ÷ revenue. High for software and services.
Revenue per employee
£492k
Revenue ÷ average employees.
Profit per employee
£5.2k
Profit ÷ average employees.
Cash conversion
—
Cash generated from operations ÷ operating profit. Needs a cash-flow statement.
Fixed assets ÷ revenue
0.9%
Capital intensity. Low = capital-light, cheaper to start.
Deferred income ÷ revenue
1.1%
Customers paying upfront (subscriptions, deposits). Approximate when combined with accruals.
Debtors ÷ revenue
10.2%
Money owed by customers. Low = customers pay quickly.
Indirect — not revenue

Balance-sheet signals

Year-on-year changes in filed balance-sheet items. They can hint at momentum (or investment) but are not revenue or profit and must not be read as such.

Net assets
—
Now £29.7m
Cash at bank
—
Now £10.4m
Headcount
—
Now 133
Deferred income
—
Now £691k
Fixed assets
—
Now £596k

Deferred income is reported together with accruals in this filing (“accruals and deferred income”), so it is an approximate signal only.

Corporate ownership

Group structure

Ownership chain

  1. JRL Group Holdings Limitedultimate parent75–100%
  2. JRL Group Limited75–100%
  3. Thames Reinforcements Limitedthis company

Bands show the share of ownership each company holds in the one below it.

Sister companies (28)

From the Persons with Significant Control register (corporate controllers only).

Same industry, similar size

Similar profitable businesses

Industry benchmarks →

Sources

Companies House profile Filing history & original accounts

Latest figures from FullAccounts for the year to 30 Apr 2025 (profit £693k), from the Companies House accounts bulk data published Jan 2026. Spotted an error? Request a correction.

Contains public sector information from Companies House licensed under the Open Government Licence v3.0. Data from Companies House, © Crown copyright. View the licence.